package com.itheima.service.impl;

import com.itheima.service.UserService;

public class UserServiceImpl implements UserService {

    public void save(){
        System.out.println("user service running...");
    }

    public int update() {
        System.out.println("userService update running...");
        return 999;
    }

    public void delete() {
        System.out.println("userService delete running..");
    }


}
